Perhaps you should try some spelling variations:
tieu xanh » tieu danh, chieu xanh, dieu hanh
thong cua » thong quan, huong cua
tang luan » dung luan
bang cong » dang cong, bang song, hang cong
thong tu » phong tuc, thong tin, thong ke
cong dan » cong san, cong tan, huong dan
dan than » dan chan, ban than, van than
than cau » toan cau, phan cau, than cap

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: theo tieu xanh - hanh ((((thong cua) OR (thong tu))) or (tang luan)) bang cong dan than cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo tieu xanh - hanh ((((thong cua) OR (thong tu))) OR (tang luan)) bang cong dan than cau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo tieu xanh - hanh ((((thong cua) OR (thong tu))) or (tang luan)) bang cong dan than cau".
• Adding a wildcard symbol may retrieve word variants: theo tieu xanh - hanh ((((thong cua) OR (thong tu))) or (tang luan)) bang cong dan than cau*.